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+?RCS: $Id: d_sa_interrupt.U 167 2013-05-08 17:58:00Z rmanfredi $
+?RCS: Copyright (c) 2006, Christian Biere
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:d_sa_interrupt: Trylink cat
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_SA_INTERRUPT symbol, which
+?S: indicates to the C program that SA_INTERRUPT() is available for
+?S: sigaction().
+?C: This symbol is defined when SA_INTERRUPT can be used in sigaction().
+?H:#$d_sa_interrupt HAS_SA_INTERRUPT
+?LINT: set d_sa_interrupt
+: can we use SA_INTERRUPT?
+$cat >try.c <<'EOC'
+#include <signal.h>
+int main(void)
+ static int ret;
+ ret |= SA_INTERRUPT;
+ return ret ? 0 : 1;
+cyn="whether SA_INTERRUPT is available in <signal.h>"
+set d_sa_interrupt
+eval $trylink